<template>
    <div class="blankChildrenWrap">
        blankChildrenWrap
    </div>
</template>
<script setup>
import { ref,reactive,onMounted, watch } from 'vue'
/* —— data ———————————————————— */
//reactive只能用于对象类型 (对象、数组和如 Map、Set 这样的集合类型)
let objectData = reactive({})
let baseData = ref(0)

/* —— watch ——————————————————— */
watch(baseData, (newVal, oldVal) => {
    console.log(newVal, oldVal);
})

/* —— 生命周期 —————————————————— */
console.log('created');
onMounted(() => {
    // 组件完成初始渲染并创建 DOM 节点
})
</script>
<style type="text/css" lang="less" scoped>
.blankChildrenWrap{

}
</style>